C72900 Copper-nickel vs. AWS BVAu-7
C72900 copper-nickel belongs to the copper alloys classification, while AWS BVAu-7 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is AWS BVAu-7.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 130 |
| Poisson's Ratio | 0.34 | |
| 0.38 |
| Shear Modulus, GPa | 45 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 870 to 1080 | |
| 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 140 |
| Melting Completion (Liquidus), °C | 1120 | |
| 1120 |
| Melting Onset (Solidus), °C | 950 | |
| 1100 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 240 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 15 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.6 | |
| 4.7 |
| Stiffness to Weight: Bending, points | 19 | |
| 11 |
| Strength to Weight: Axial, points | 27 to 34 | |
| 3.7 |
| Strength to Weight: Bending, points | 23 to 27 | |
| 5.1 |
| Thermal Shock Resistance, points | 31 to 38 | |
| 8.9 |
Alloy Composition
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| Cadmium (Cd), % | 0 | |
| 0 to 0.0010 |
| Carbon (C), % | 0 | |
| 0 to 0.0050 |
| Cobalt (Co), % | 0 | |
| 0 to 0.060 |
| Copper (Cu), % | 74.1 to 78 | |
| 0 |
| Gold (Au), % | 0 | |
| 49.5 to 50.5 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.0020 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0 |
| Nickel (Ni), % | 14.5 to 15.5 | |
| 24.5 to 25.5 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Palladium (Pd), % | 0 | |
| 23.9 to 26 |
| Phosphorus (P), % | 0 | |
| 0 to 0.0020 |
| Tin (Sn), % | 7.5 to 8.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 to 0.0010 |
| Residuals, % | 0 to 0.3 | |
| 0 |